3 Driver for the Marvell 8385 based compact flash WLAN cards.
5 (C) 2007 by Holger Schurig <hs4233@mail.mn-solutions.de>
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
20 Boston, MA 02110-1301, USA.
24 #include <linux/module.h>
25 #include <linux/delay.h>
26 #include <linux/moduleparam.h>
27 #include <linux/firmware.h>
28 #include <linux/netdevice.h>
30 #include <pcmcia/cs_types.h>
31 #include <pcmcia/cs.h>
32 #include <pcmcia/cistpl.h>
33 #include <pcmcia/ds.h>
37 #define DRV_NAME "libertas_cs"
44 /********************************************************************/
46 /********************************************************************/
48 MODULE_AUTHOR("Holger Schurig <hs4233@mail.mn-solutions.de>");
49 MODULE_DESCRIPTION("Driver for Marvell 83xx compact flash WLAN cards");
50 MODULE_LICENSE("GPL");
54 /********************************************************************/
56 /********************************************************************/
59 struct pcmcia_device *p_dev;
60 struct lbs_private *priv;
66 /********************************************************************/
68 /********************************************************************/
70 /* This define enables wrapper functions which allow you
71 to dump all register accesses. You normally won't this,
72 except for development */
73 /* #define DEBUG_IO */
76 static int debug_output = 0;
78 /* This way the compiler optimizes the printk's away */
79 #define debug_output 0
82 static inline unsigned int if_cs_read8(struct if_cs_card *card, uint reg)
84 unsigned int val = ioread8(card->iobase + reg);
86 printk(KERN_INFO "inb %08x<%02x\n", reg, val);
89 static inline unsigned int if_cs_read16(struct if_cs_card *card, uint reg)
91 unsigned int val = ioread16(card->iobase + reg);
93 printk(KERN_INFO "inw %08x<%04x\n", reg, val);
96 static inline void if_cs_read16_rep(
97 struct if_cs_card *card,
103 printk(KERN_INFO "insw %08x<(0x%lx words)\n",
105 ioread16_rep(card->iobase + reg, buf, count);
108 static inline void if_cs_write8(struct if_cs_card *card, uint reg, u8 val)
111 printk(KERN_INFO "outb %08x>%02x\n", reg, val);
112 iowrite8(val, card->iobase + reg);
115 static inline void if_cs_write16(struct if_cs_card *card, uint reg, u16 val)
118 printk(KERN_INFO "outw %08x>%04x\n", reg, val);
119 iowrite16(val, card->iobase + reg);
122 static inline void if_cs_write16_rep(
123 struct if_cs_card *card,
129 printk(KERN_INFO "outsw %08x>(0x%lx words)\n",
131 iowrite16_rep(card->iobase + reg, buf, count);
136 * I know that polling/delaying is frowned upon. However, this procedure
137 * with polling is needed while downloading the firmware. At this stage,
138 * the hardware does unfortunately not create any interrupts.
140 * Fortunately, this function is never used once the firmware is in
143 * As a reference, see the "Firmware Specification v5.1", page 18
144 * and 19. I did not follow their suggested timing to the word,
145 * but this works nice & fast anyway.
147 static int if_cs_poll_while_fw_download(struct if_cs_card *card, uint addr, u8 reg)
151 for (i = 0; i < 100000; i++) {
152 u8 val = if_cs_read8(card, addr);
162 /* Host control registers and their bit definitions */
164 #define IF_CS_H_STATUS 0x00000000
165 #define IF_CS_H_STATUS_TX_OVER 0x0001
166 #define IF_CS_H_STATUS_RX_OVER 0x0002
167 #define IF_CS_H_STATUS_DNLD_OVER 0x0004
169 #define IF_CS_H_INT_CAUSE 0x00000002
170 #define IF_CS_H_IC_TX_OVER 0x0001
171 #define IF_CS_H_IC_RX_OVER 0x0002
172 #define IF_CS_H_IC_DNLD_OVER 0x0004
173 #define IF_CS_H_IC_POWER_DOWN 0x0008
174 #define IF_CS_H_IC_HOST_EVENT 0x0010
175 #define IF_CS_H_IC_MASK 0x001f
177 #define IF_CS_H_INT_MASK 0x00000004
178 #define IF_CS_H_IM_MASK 0x001f
180 #define IF_CS_H_WRITE_LEN 0x00000014
182 #define IF_CS_H_WRITE 0x00000016
184 #define IF_CS_H_CMD_LEN 0x00000018
186 #define IF_CS_H_CMD 0x0000001A
188 #define IF_CS_C_READ_LEN 0x00000024
190 #define IF_CS_H_READ 0x00000010
192 /* Card control registers and their bit definitions */
194 #define IF_CS_C_STATUS 0x00000020
195 #define IF_CS_C_S_TX_DNLD_RDY 0x0001
196 #define IF_CS_C_S_RX_UPLD_RDY 0x0002
197 #define IF_CS_C_S_CMD_DNLD_RDY 0x0004
198 #define IF_CS_C_S_CMD_UPLD_RDY 0x0008
199 #define IF_CS_C_S_CARDEVENT 0x0010
200 #define IF_CS_C_S_MASK 0x001f
201 #define IF_CS_C_S_STATUS_MASK 0x7f00
203 #define IF_CS_C_INT_CAUSE 0x00000022
204 #define IF_CS_C_IC_MASK 0x001f
206 #define IF_CS_C_SQ_READ_LOW 0x00000028
207 #define IF_CS_C_SQ_HELPER_OK 0x10
209 #define IF_CS_C_CMD_LEN 0x00000030
211 #define IF_CS_C_CMD 0x00000012
213 #define IF_CS_SCRATCH 0x0000003F
217 /********************************************************************/
218 /* I/O and interrupt handling */
219 /********************************************************************/
221 static inline void if_cs_enable_ints(struct if_cs_card *card)
223 lbs_deb_enter(LBS_DEB_CS);
224 if_cs_write16(card, IF_CS_H_INT_MASK, 0);
227 static inline void if_cs_disable_ints(struct if_cs_card *card)
229 lbs_deb_enter(LBS_DEB_CS);
230 if_cs_write16(card, IF_CS_H_INT_MASK, IF_CS_H_IM_MASK);
234 * Called from if_cs_host_to_card to send a command to the hardware
236 static int if_cs_send_cmd(struct lbs_private *priv, u8 *buf, u16 nb)
238 struct if_cs_card *card = (struct if_cs_card *)priv->card;
242 lbs_deb_enter(LBS_DEB_CS);
243 if_cs_disable_ints(card);
245 /* Is hardware ready? */
247 u16 val = if_cs_read16(card, IF_CS_C_STATUS);
248 if (val & IF_CS_C_S_CMD_DNLD_RDY)
251 lbs_pr_err("card not ready for commands\n");
257 if_cs_write16(card, IF_CS_H_CMD_LEN, nb);
259 if_cs_write16_rep(card, IF_CS_H_CMD, buf, nb / 2);
260 /* Are we supposed to transfer an odd amount of bytes? */
262 if_cs_write8(card, IF_CS_H_CMD, buf[nb-1]);
264 /* "Assert the download over interrupt command in the Host
265 * status register" */
266 if_cs_write16(card, IF_CS_H_STATUS, IF_CS_H_STATUS_DNLD_OVER);
268 /* "Assert the download over interrupt command in the Card
269 * interrupt case register" */
270 if_cs_write16(card, IF_CS_H_INT_CAUSE, IF_CS_H_IC_DNLD_OVER);
274 if_cs_enable_ints(card);
275 lbs_deb_leave_args(LBS_DEB_CS, "ret %d", ret);
280 * Called from if_cs_host_to_card to send a data to the hardware
282 static void if_cs_send_data(struct lbs_private *priv, u8 *buf, u16 nb)
284 struct if_cs_card *card = (struct if_cs_card *)priv->card;
287 lbs_deb_enter(LBS_DEB_CS);
288 if_cs_disable_ints(card);
290 status = if_cs_read16(card, IF_CS_C_STATUS);
291 BUG_ON((status & IF_CS_C_S_TX_DNLD_RDY) == 0);
293 if_cs_write16(card, IF_CS_H_WRITE_LEN, nb);
295 /* write even number of bytes, then odd byte if necessary */
296 if_cs_write16_rep(card, IF_CS_H_WRITE, buf, nb / 2);
298 if_cs_write8(card, IF_CS_H_WRITE, buf[nb-1]);
300 if_cs_write16(card, IF_CS_H_STATUS, IF_CS_H_STATUS_TX_OVER);
301 if_cs_write16(card, IF_CS_H_INT_CAUSE, IF_CS_H_STATUS_TX_OVER);
302 if_cs_enable_ints(card);
304 lbs_deb_leave(LBS_DEB_CS);
308 * Get the command result out of the card.
310 static int if_cs_receive_cmdres(struct lbs_private *priv, u8 *data, u32 *len)
316 lbs_deb_enter(LBS_DEB_CS);
318 /* is hardware ready? */
319 val = if_cs_read16(priv->card, IF_CS_C_STATUS);
320 if ((val & IF_CS_C_S_CMD_UPLD_RDY) == 0) {
321 lbs_pr_err("card not ready for CMD\n");
325 *len = if_cs_read16(priv->card, IF_CS_C_CMD_LEN);
326 if ((*len == 0) || (*len > LBS_CMD_BUFFER_SIZE)) {
327 lbs_pr_err("card cmd buffer has invalid # of bytes (%d)\n", *len);
331 /* read even number of bytes, then odd byte if necessary */
332 if_cs_read16_rep(priv->card, IF_CS_C_CMD, data, *len/sizeof(u16));
334 data[*len-1] = if_cs_read8(priv->card, IF_CS_C_CMD);
336 /* This is a workaround for a firmware that reports too much
341 /* Clear this flag again */
342 spin_lock_irqsave(&priv->driver_lock, flags);
343 priv->dnld_sent = DNLD_RES_RECEIVED;
344 spin_unlock_irqrestore(&priv->driver_lock, flags);
347 lbs_deb_leave_args(LBS_DEB_CS, "ret %d, len %d", ret, *len);
351 static struct sk_buff *if_cs_receive_data(struct lbs_private *priv)
353 struct sk_buff *skb = NULL;
357 lbs_deb_enter(LBS_DEB_CS);
359 len = if_cs_read16(priv->card, IF_CS_C_READ_LEN);
360 if (len == 0 || len > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE) {
361 lbs_pr_err("card data buffer has invalid # of bytes (%d)\n", len);
362 priv->stats.rx_dropped++;
366 skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + 2);
370 skb_reserve(skb, 2);/* 16 byte align */
373 /* read even number of bytes, then odd byte if necessary */
374 if_cs_read16_rep(priv->card, IF_CS_H_READ, data, len/sizeof(u16));
376 data[len-1] = if_cs_read8(priv->card, IF_CS_H_READ);
379 if_cs_write16(priv->card, IF_CS_H_STATUS, IF_CS_H_STATUS_RX_OVER);
380 if_cs_write16(priv->card, IF_CS_H_INT_CAUSE, IF_CS_H_IC_RX_OVER);
383 lbs_deb_leave_args(LBS_DEB_CS, "ret %p", skb);
387 static irqreturn_t if_cs_interrupt(int irq, void *data)
389 struct if_cs_card *card = data;
390 struct lbs_private *priv = card->priv;
393 lbs_deb_enter(LBS_DEB_CS);
395 /* Ask card interrupt cause register if there is something for us */
396 cause = if_cs_read16(card, IF_CS_C_INT_CAUSE);
402 if (cause == 0xffff) {
403 /* Read in junk, the card has probably been removed */
404 card->priv->surpriseremoved = 1;
408 /* Clear interrupt cause */
409 if_cs_write16(card, IF_CS_C_INT_CAUSE, cause & IF_CS_C_IC_MASK);
410 lbs_deb_cs("cause 0x%04x\n", cause);
412 if (cause & IF_CS_C_S_RX_UPLD_RDY) {
414 lbs_deb_cs("rx packet\n");
415 skb = if_cs_receive_data(priv);
417 lbs_process_rxed_packet(priv, skb);
420 if (cause & IF_CS_H_IC_TX_OVER) {
421 lbs_deb_cs("tx done\n");
422 lbs_host_to_card_done(priv);
425 if (cause & IF_CS_C_S_CMD_UPLD_RDY) {
429 lbs_deb_cs("cmd resp\n");
430 spin_lock_irqsave(&priv->driver_lock, flags);
431 i = (priv->resp_idx == 0) ? 1 : 0;
432 spin_unlock_irqrestore(&priv->driver_lock, flags);
434 BUG_ON(priv->resp_len[i]);
435 if_cs_receive_cmdres(priv, priv->resp_buf[i],
438 spin_lock_irqsave(&priv->driver_lock, flags);
439 lbs_notify_command_response(priv, i);
440 spin_unlock_irqrestore(&priv->driver_lock, flags);
443 if (cause & IF_CS_H_IC_HOST_EVENT) {
444 u16 event = if_cs_read16(priv->card, IF_CS_C_STATUS)
445 & IF_CS_C_S_STATUS_MASK;
446 if_cs_write16(priv->card, IF_CS_H_INT_CAUSE,
447 IF_CS_H_IC_HOST_EVENT);
448 lbs_deb_cs("host event 0x%04x\n", event);
449 lbs_queue_event(priv, event >> 8 & 0xff);
452 lbs_deb_leave(LBS_DEB_CS);
459 /********************************************************************/
461 /********************************************************************/
464 * Tries to program the helper firmware.
466 * Return 0 on success
468 static int if_cs_prog_helper(struct if_cs_card *card)
473 const struct firmware *fw;
475 lbs_deb_enter(LBS_DEB_CS);
477 scratch = if_cs_read8(card, IF_CS_SCRATCH);
479 /* "If the value is 0x5a, the firmware is already
480 * downloaded successfully"
485 /* "If the value is != 00, it is invalid value of register */
486 if (scratch != 0x00) {
491 /* TODO: make firmware file configurable */
492 ret = request_firmware(&fw, "libertas_cs_helper.fw",
493 &handle_to_dev(card->p_dev));
495 lbs_pr_err("can't load helper firmware\n");
499 lbs_deb_cs("helper size %td\n", fw->size);
501 /* "Set the 5 bytes of the helper image to 0" */
502 /* Not needed, this contains an ARM branch instruction */
505 /* "the number of bytes to send is 256" */
507 int remain = fw->size - sent;
512 /* "write the number of bytes to be sent to the I/O Command
513 * write length register" */
514 if_cs_write16(card, IF_CS_H_CMD_LEN, count);
516 /* "write this to I/O Command port register as 16 bit writes */
518 if_cs_write16_rep(card, IF_CS_H_CMD,
522 /* "Assert the download over interrupt command in the Host
523 * status register" */
524 if_cs_write8(card, IF_CS_H_STATUS, IF_CS_H_STATUS_DNLD_OVER);
526 /* "Assert the download over interrupt command in the Card
527 * interrupt case register" */
528 if_cs_write16(card, IF_CS_H_INT_CAUSE, IF_CS_H_IC_DNLD_OVER);
530 /* "The host polls the Card Status register ... for 50 ms before
531 declaring a failure */
532 ret = if_cs_poll_while_fw_download(card, IF_CS_C_STATUS,
533 IF_CS_C_S_CMD_DNLD_RDY);
535 lbs_pr_err("can't download helper at 0x%x, ret %d\n",
546 release_firmware(fw);
550 lbs_deb_leave_args(LBS_DEB_CS, "ret %d", ret);
555 static int if_cs_prog_real(struct if_cs_card *card)
557 const struct firmware *fw;
563 lbs_deb_enter(LBS_DEB_CS);
565 /* TODO: make firmware file configurable */
566 ret = request_firmware(&fw, "libertas_cs.fw",
567 &handle_to_dev(card->p_dev));
569 lbs_pr_err("can't load firmware\n");
573 lbs_deb_cs("fw size %td\n", fw->size);
575 ret = if_cs_poll_while_fw_download(card, IF_CS_C_SQ_READ_LOW, IF_CS_C_SQ_HELPER_OK);
577 lbs_pr_err("helper firmware doesn't answer\n");
581 for (sent = 0; sent < fw->size; sent += len) {
582 len = if_cs_read16(card, IF_CS_C_SQ_READ_LOW);
585 lbs_pr_info("odd, need to retry this firmware block\n");
591 lbs_pr_err("could not download firmware\n");
600 if_cs_write16(card, IF_CS_H_CMD_LEN, len);
602 if_cs_write16_rep(card, IF_CS_H_CMD,
605 if_cs_write8(card, IF_CS_H_STATUS, IF_CS_H_STATUS_DNLD_OVER);
606 if_cs_write16(card, IF_CS_H_INT_CAUSE, IF_CS_H_IC_DNLD_OVER);
608 ret = if_cs_poll_while_fw_download(card, IF_CS_C_STATUS,
609 IF_CS_C_S_CMD_DNLD_RDY);
611 lbs_pr_err("can't download firmware at 0x%x\n", sent);
616 ret = if_cs_poll_while_fw_download(card, IF_CS_SCRATCH, 0x5a);
618 lbs_pr_err("firmware download failed\n");
627 release_firmware(fw);
630 lbs_deb_leave_args(LBS_DEB_CS, "ret %d", ret);
636 /********************************************************************/
637 /* Callback functions for libertas.ko */
638 /********************************************************************/
640 /* Send commands or data packets to the card */
641 static int if_cs_host_to_card(struct lbs_private *priv,
648 lbs_deb_enter_args(LBS_DEB_CS, "type %d, bytes %d", type, nb);
652 priv->dnld_sent = DNLD_DATA_SENT;
653 if_cs_send_data(priv, buf, nb);
657 priv->dnld_sent = DNLD_CMD_SENT;
658 ret = if_cs_send_cmd(priv, buf, nb);
661 lbs_pr_err("%s: unsupported type %d\n", __FUNCTION__, type);
664 lbs_deb_leave_args(LBS_DEB_CS, "ret %d", ret);
669 /********************************************************************/
671 /********************************************************************/
674 * After a card is removed, if_cs_release() will unregister the
675 * device, and release the PCMCIA configuration. If the device is
676 * still open, this will be postponed until it is closed.
678 static void if_cs_release(struct pcmcia_device *p_dev)
680 struct if_cs_card *card = p_dev->priv;
682 lbs_deb_enter(LBS_DEB_CS);
684 free_irq(p_dev->irq.AssignedIRQ, card);
685 pcmcia_disable_device(p_dev);
687 ioport_unmap(card->iobase);
689 lbs_deb_leave(LBS_DEB_CS);
694 * This creates an "instance" of the driver, allocating local data
695 * structures for one device. The device is registered with Card
698 * The dev_link structure is initialized, but we don't actually
699 * configure the card at this point -- we wait until we receive a card
702 static int if_cs_probe(struct pcmcia_device *p_dev)
705 struct lbs_private *priv;
706 struct if_cs_card *card;
710 cistpl_cftable_entry_t *cfg = &parse.cftable_entry;
711 cistpl_io_t *io = &cfg->io;
714 lbs_deb_enter(LBS_DEB_CS);
716 card = kzalloc(sizeof(struct if_cs_card), GFP_KERNEL);
718 lbs_pr_err("error in kzalloc\n");
724 p_dev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
725 p_dev->irq.Handler = NULL;
726 p_dev->irq.IRQInfo1 = IRQ_INFO2_VALID | IRQ_LEVEL_ID;
728 p_dev->conf.Attributes = 0;
729 p_dev->conf.IntType = INT_MEMORY_AND_IO;
731 tuple.Attributes = 0;
732 tuple.TupleData = buf;
733 tuple.TupleDataMax = sizeof(buf);
734 tuple.TupleOffset = 0;
736 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
737 if ((ret = pcmcia_get_first_tuple(p_dev, &tuple)) != 0 ||
738 (ret = pcmcia_get_tuple_data(p_dev, &tuple)) != 0 ||
739 (ret = pcmcia_parse_tuple(p_dev, &tuple, &parse)) != 0)
741 lbs_pr_err("error in pcmcia_get_first_tuple etc\n");
745 p_dev->conf.ConfigIndex = cfg->index;
747 /* Do we need to allocate an interrupt? */
748 if (cfg->irq.IRQInfo1) {
749 p_dev->conf.Attributes |= CONF_ENABLE_IRQ;
752 /* IO window settings */
753 if (cfg->io.nwin != 1) {
754 lbs_pr_err("wrong CIS (check number of IO windows)\n");
758 p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
759 p_dev->io.BasePort1 = io->win[0].base;
760 p_dev->io.NumPorts1 = io->win[0].len;
762 /* This reserves IO space but doesn't actually enable it */
763 ret = pcmcia_request_io(p_dev, &p_dev->io);
765 lbs_pr_err("error in pcmcia_request_io\n");
770 * Allocate an interrupt line. Note that this does not assign
771 * a handler to the interrupt, unless the 'Handler' member of
772 * the irq structure is initialized.
774 if (p_dev->conf.Attributes & CONF_ENABLE_IRQ) {
775 ret = pcmcia_request_irq(p_dev, &p_dev->irq);
777 lbs_pr_err("error in pcmcia_request_irq\n");
782 /* Initialize io access */
783 card->iobase = ioport_map(p_dev->io.BasePort1, p_dev->io.NumPorts1);
785 lbs_pr_err("error in ioport_map\n");
791 * This actually configures the PCMCIA socket -- setting up
792 * the I/O windows and the interrupt mapping, and putting the
793 * card and host interface into "Memory and IO" mode.
795 ret = pcmcia_request_configuration(p_dev, &p_dev->conf);
797 lbs_pr_err("error in pcmcia_request_configuration\n");
801 /* Finally, report what we've done */
802 lbs_deb_cs("irq %d, io 0x%04x-0x%04x\n",
803 p_dev->irq.AssignedIRQ, p_dev->io.BasePort1,
804 p_dev->io.BasePort1 + p_dev->io.NumPorts1 - 1);
807 /* Load the firmware early, before calling into libertas.ko */
808 ret = if_cs_prog_helper(card);
810 ret = if_cs_prog_real(card);
814 /* Make this card known to the libertas driver */
815 priv = lbs_add_card(card, &p_dev->dev);
821 /* Finish setting up fields in lbs_private */
824 priv->hw_host_to_card = if_cs_host_to_card;
827 /* Now actually get the IRQ */
828 ret = request_irq(p_dev->irq.AssignedIRQ, if_cs_interrupt,
829 IRQF_SHARED, DRV_NAME, card);
831 lbs_pr_err("error in request_irq\n");
835 /* Clear any interrupt cause that happend while sending
836 * firmware/initializing card */
837 if_cs_write16(card, IF_CS_C_INT_CAUSE, IF_CS_C_IC_MASK);
838 if_cs_enable_ints(card);
840 /* And finally bring the card up */
841 if (lbs_start_card(priv) != 0) {
842 lbs_pr_err("could not activate card\n");
846 /* The firmware for the CF card supports powersave */
847 priv->ps_supported = 1;
853 lbs_remove_card(priv);
855 ioport_unmap(card->iobase);
857 pcmcia_disable_device(p_dev);
859 lbs_deb_leave_args(LBS_DEB_CS, "ret %d", ret);
865 * This deletes a driver "instance". The device is de-registered with
866 * Card Services. If it has been released, all local data structures
867 * are freed. Otherwise, the structures will be freed when the device
870 static void if_cs_detach(struct pcmcia_device *p_dev)
872 struct if_cs_card *card = p_dev->priv;
874 lbs_deb_enter(LBS_DEB_CS);
876 lbs_stop_card(card->priv);
877 lbs_remove_card(card->priv);
878 if_cs_disable_ints(card);
879 if_cs_release(p_dev);
882 lbs_deb_leave(LBS_DEB_CS);
887 /********************************************************************/
888 /* Module initialization */
889 /********************************************************************/
891 static struct pcmcia_device_id if_cs_ids[] = {
892 PCMCIA_DEVICE_MANF_CARD(0x02df, 0x8103),
895 MODULE_DEVICE_TABLE(pcmcia, if_cs_ids);
898 static struct pcmcia_driver lbs_driver = {
899 .owner = THIS_MODULE,
903 .probe = if_cs_probe,
904 .remove = if_cs_detach,
905 .id_table = if_cs_ids,
909 static int __init if_cs_init(void)
913 lbs_deb_enter(LBS_DEB_CS);
914 ret = pcmcia_register_driver(&lbs_driver);
915 lbs_deb_leave(LBS_DEB_CS);
920 static void __exit if_cs_exit(void)
922 lbs_deb_enter(LBS_DEB_CS);
923 pcmcia_unregister_driver(&lbs_driver);
924 lbs_deb_leave(LBS_DEB_CS);
928 module_init(if_cs_init);
929 module_exit(if_cs_exit);